Key-socket.



B. C. WEBSTER.

KEY sooner.V

/ APPLICATKON FILED SEPT. 8.1914. I l l 178,561 Patent-ed Apr. 11,1916

31 4515?9 fjr'g'/ 29 39 g 7 I il A TTORNEY lber and openor olose thecircuit, after which the parts are returned to normal position by i lthe spring.

3. In a lswitch for lamp sockets, a mecha; `vnlsm comprlsing a brackethaving sector lugs, a rotatable Contact member having Contact arms, atripping slide carried by the Contact lnember and having an 4arm'anl alug non-concentric with the sector lugs .-and

provided with engaging corners adapted to engage either-.the inner orouter Walls of the fsector lugs, an actuating member having an engagingarm and engaging Walls,

said engaging arm, the arml of the tripping slide, and one of theContact arms being normally in alinement, and a spring having armsengaging both sides of the before-mentioned arms, whereby rotationof theactuating member will causethe engaging arm to wind the-spring and oneof the engaging walls to actiiate the tripping slide to release'the'contact member and open or close the

